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> Citation needed. * OECD: http://fs2.american.edu/wgp/www/park_lippoldt08.pdf http://fs2.american.edu/wgp/www/park_lippoldt08.pdf * Via: https://www.forbes.c

• kiba 3y ago
  It is a good idea to read the citation, at least in part. I am quoting from conclusion as that's the only part I am interested and read. Today, I would argue that given the limitations of the existing literature we still have essentially no credible empirical evidence on the seemingly simple question of whether stronger patent rights – either longer patent terms or broader patent rights – encourage research investments into developing new technologies. While researchers have recently begun to make progress on the more limited question of how patents on existing technologies affect follow-on innovation (Galasso and Schankerman, 2015; Sampat and Williams, 2015), evidence on the overall effects of patents on research investments are needed as one input into optimal patent policy design.